The quality problem of indentation in membrane wall manufacturing is a common phenomenon that disturbs boiler manufacturers. This paper summarizes this kind of situation in our company

analyzes the causes of the indentation

and takes preventive measures

such as adjusting the equipment assembly accuracy and using tooling based on the specific location of the indentation and the causes of the equipment assembly size error to ensure the width and size of membrane wall. After the implementation of those measures

the results prove to be effective.